Brigham, Raymond D. Sunflower (Helianthus annuus L.): lines and germplasms released in Texas and the USA, 1968-1988 - College Station : Texas Agricultural Experiment Station, 1990 - 6 p - MP. 1684 . - MP. 1684 . D45-214 LCCN: 2428 Subjects--Topical Terms: Girasol--E.U.A.Girasol--Genética.Girasol--Germoplasma.